Karel Gardas <karel.gar...@centrum.cz> writes:
> On 01/11/13 09:25 PM, rocon...@theorem.ca wrote:
>> On Thu, 10 Jan 2013, Karel Gardas wrote:
>>
>>>
>>> Hmm, are you using Raspbian? I.e. hard-float abi caught my eye in case
>>> of ARMv6/ARM11 chip here...
>>>
>>> I'm afraid LLVM is not well guided in your case so could you be so
>>> kind and test if adding -optlc=-mattr=+vfp2 helps? You need to add it
>>> to your build.mk probably and you will need to rebuild everything
>>> again...
>>
>> Add it to the GhcLibHcOpts?
>
> Probably too, I'm not the expert here, just make sure you use this
> option for any ghc invocation which invokes llc to get consistent vfp
> usage in your object files...
>
I've been struggling with this class of error recently as well.
After several failed builds I arrived at the following on my Pandaboard,
SRC_HC_OPTS = -H64m -Rghc-timing -optc-mfloat-abi=hard -optc-mcpu=cortex-a9
-optlc-float-abi=hard -optlc-mcpu=cortex-a9
I've found it's best to set both gcc and llc arguments as they tend to
disagree when you least expect it. I'm not sure whether SRC_HC_OPTS is
too large a hammer, but it seems to work for me.
Cheers,
- Ben
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